Windproof bridgeboard



FIG. 1 is a front plan view of a windproof bridgeboard, showing my new design;

FIG. 2 is a top side elevational view thereof;

FIG. 3 is a bottom side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front plan view of a second embodiment of FIG. 1, the only difference being the addition of four central pockets; and,

FIG. 7 is a back plan view thereof. 

The ornamental design for a windproof bridgeboard, as shown and described. 